Core Billing Responsibilities Invoice Creation: Generate invoices and bills for clients based on services or products purchased. Payment Processing: Record and update payments received from clients, ensuring accurate account balances. Record Maintenance: Maintain up-to-date and accurate client records and billing transactions. Payment Reminders: Send reminders for delayed payments and follow up on outstanding accounts. Issue Resolution: Investigate and resolve billing errors, discrepancies, and client payment issues by coordinating with relevant parties.